Patents Assigned to Spray Plast S.r.1
  • Hand sprayer for liquids
    Patent number: 4220285
    Abstract: Disclosed herein is a hand operated sprayer for liquids, in which the spraying unit is provided with a small bore which is factory sealed at the assembly by a special fitting properly located, to be eliminated by the pumping lever when first operated, said bore communicating with the inner space of the container.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: September 2, 1980
    Assignee: Spray Plast S.r.1
    Inventor: Piero Gualdi